The fluorescent light phantom device 1 is provided with: a phantom support 10 having fluorescent light phantom containers 1b, 1c, 1d and 1e； and fluorescent light phantoms 12, 13, 14 and 15 which are constituted of a medium that reproduces at least one of light scattering and light absorption of an object to be measured and a fluorescent coloring matter contained in the medium of a predetermined concentration and are stored in the fluorescent light phantom containers 1b, 1c, 1d and 1e.
